Automotive Locksmith Services in NH & Southern ME

Lost your keys? Locked out? Need a fob programmed? A&B Lock is here to help.

Local, Trusted Car Locksmiths

Whether you’re locked out in your driveway or stranded at work with a dead key fob, A&B Lock and Security delivers prompt, professional automotive locksmith services across New Hampshire and Southern Maine. Our techs are equipped to cut, program, and replace keys and remotes for most makes and models—and we do it at your location.


We also service commercial vehicle fleets, offering fast key duplication and ignition repair with minimal downtime.

“I lost my only car key. A&B showed up fast, stayed late, and got me back on the road without charging extra. Incredible service.” — Jeremiah Paulding

Automotive Services We Offer

Keys, Fobs & Remotes

We cut and program OEM and aftermarket keys for most cars, trucks, and vans.

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Battery Replacements

We replace fob and remote batteries on-site, including emergency service for dead smart keys.

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Key Duplication & All Keys Lost

Need a spare or lost every key? We can generate and program new ones—even with no original.

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Ignition & Door Lock Repair

Fix stuck, damaged, or worn-out locks and ignitions for most vehicle brands.

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Fleet & Commercial Vehicle Service

Fast response and reliable service for business vehicle fleets.

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Why Drivers Trust A&B Lock

  • We Come to You


Mobile service means no towing or dealership wait.

  • Fast Response Time


We serve all of NH and Southern ME with techs on the road daily.

  • Affordable Alternatives to the Dealership


We provide the same key and remote solutions—at better prices.

  • Trained Automotive Locksmiths


We’re not just general techs—we’re trained in vehicle security systems

“They got to me in under an hour and programmed two new keys on the spot. Absolute lifesavers.” — Kaitlin Foster

Ready When You Need Us

Call A&B Lock at (603) 527-0192 for car locksmith service or submit a request online. From key replacements to ignition issues, we’re here to get you moving again—fast.

Call Now: (603) 527-0192